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Single zircon 207Pb/206Pb and Rb-Sr Geochronology of La Cabrera Pluton (Sierra del Guadarrama, Spain)

dc.contributor.authorCasquet Martín, César
dc.contributor.authorMontero, P.
dc.contributor.authorGalindo, Carmen
dc.contributor.authorBea, F.
dc.contributor.authorLozano, R.
dc.date.accessioned2014-10-28T12:56:25Z
dc.date.available2014-10-28T12:56:25Z
dc.date.issued2003
dc.identifier.urihttp://hdl.handle.net/10272/8999
dc.description.abstractA Pb-Pb crystallization age of 302 ±3 Ma was found for the La Cabrera granite by the single zircon Pb-evaporation technique. Moreover the whole rock Rb-Sr isotope systematics provided an errochrone of 303 ± 24 Ma (I.R. = 0.709275; MSWD — 23.4). This age is Upper Carboniferous and is close to the end of a stage of regional N-S extension subsequent to the climax of Variscan regional metamorphism. The high MSWD of the Rb-Sr systematics might foe attributed to either an ubiquitous weak pervasive hydrothermal alteration or to the absence of initial isotopic equilibrium throughout the pluton. The second possibility is favored from Nd isotope composition considerationsen_US
dc.language.isospaen_US
dc.publisherSociedad Geológica de Españaen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.otherGraniteen_US
dc.subject.otherPb-Pb Kober datingen_US
dc.subject.otherRb-Sr datingen_US
dc.subject.otherSpanish Central Systemen_US
dc.titleGeocronologia 207Pb/206Pb en cristal único de circón y Rb-Sr del plutón de la Cabrera (Sierra del Guadarrama)en_US
dc.titleSingle zircon 207Pb/206Pb and Rb-Sr Geochronology of La Cabrera Pluton (Sierra del Guadarrama, Spain)eng
dc.typeinfo:eu-repo/semantics/articleen_US
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen_US


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